What do the Five Classics of Baoying Liu in Yangzhou, Jiangsu Province take from the ancient classics?

Five of Liu's five chapters in Baoying, Yangzhou, Jiangsu Province are taken from the ancient classic The Doctrine of the Mean, and five of Liu's five chapters in Baoying, Yangzhou, Jiangsu Province are formed through study, interrogation, deep thinking, identification and practice.

Located in the old city, Liuwudian is a provincial cultural protection unit, facing south. It was the former residence of the Liu family in Baoying at that time. Built in the Wanli period of Ming Dynasty, it was expanded in Ming and Qing Dynasties.